package com.karumi.dexter;

import ohos.aafwk.ability.Ability;
import ohos.aafwk.ability.AbilitySlice;
import ohos.app.AbilityContext;
import ohos.app.Context;
/*
 * Copyright (C) 2021 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/**
 * 上下文转换封装类
 */
public class DexterAbilityContextUtils {
    /**
     * 获取上下文中的 Ability 对象
     * @param context 上下文
     * @return ability
     */
    public static Ability getAbility(Context context) {
        do {
            if (context instanceof Ability) {
                return (Ability) context;
            } else if (context instanceof AbilitySlice) {
                context = ((AbilitySlice) context).getAbility();
            } else if (context instanceof AbilityContext) {
                context = ((AbilityContext) context).getContext();
            } else {
                return null;
            }
        } while (context != null);
        return null;
    }
}
